BS 7135-1:1989
$189.07
Noise emitted by computer and business equipment – Method of measurement of airborne noise
| Published By | Publication Date | Number of Pages |
| BSI | 1989 | 46 |
Methods for determining the A-weighted sound power levels based on measurements in reverberant rooms or in free-field conditions over a reflecting plane, and A-weighted sound pressure levels at the operator or bystander positions.
